Home / 108,103,186.50-162,413,469.09-69,317,628.19

Finding the Fourth Proportional to 108,103,186.50, 162,413,469.09 and 69,317,628.19

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Solution

The fourth proportional to 108,103,186.50, 162,413,469.09 and 69,317,628.19 is: 104,142,318.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,103,186.50 : 162,413,469.09 = 69,317,628.19 : x
  2. Step 2: Convert to fraction form
    108,103,186.50/162,413,469.09 = 69,317,628.19/x
  3. Step 3: Cross multiply
    108,103,186.50x = 162,413,469.09 × 69,317,628.19
  4. Step 4: Simplify right side
    108,103,186.50x = 11,258,116,463,315,166
  5. Step 5: Solve for x
    x = 11,258,116,463,315,166/108,103,186.50
  6. Step 6: Final answer
    x = 104,142,318.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.